Copper and lutetium metal ions chaperone this molecular strand into a three-twist knot. Credit: Credit: Stuart Jantzen, Biocinematics It’s annoyingly easy to tangle your headphones into a mess of ...

Knots are not just for shoelaces and sailing lines. In the last decade, physicists have shown that swirling liquids can ...

Tangled telephone cords and electronic cables that come to resemble bird nests can frazzle even the most stoic person. Now researchers have unraveled the mystery behind how such knots form. Two ...

Special fibers that change color when they are under strain have helped scientists come up with some simple rules that can predict how a knot will perform in the real world. People have used knots ...

Commercial fishermen use lines, or ropes, for a variety of purposes. Boat anchors, nets and buoys all need to be secured and safely managed. A working knowledge of knots is a necessity. If you open a ...